1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Multifunctional LCD Display Bike Computer. This display is specifically designed for Lankeleisi Electric Bikes and is not compatible with other bicycle brands. Please read this manual thoroughly before use to ensure proper functionality and safety.
Figure 1: Front view of the Multifunctional LCD Display Bike Computer, showing the clear LCD screen with battery, speed, and assist level indicators.
2. What's in the Box
Upon opening the package, verify that all components are present and undamaged:
- Multifunctional LCD Display Host
- Connecting Wires (integrated with host)
Figure 2: Back view of the LCD display unit, showing the integrated wiring harness and the remote control unit.
3. Specifications
| Feature | Detail |
|---|---|
| Model Number | YL91F-V (for dual motor) |
| Display Type | LCD |
| Color | Black |
| Material | Plastic, Acrylic |
| Connectivity | USB (for data/charging, specific to bike system) |
| Sensor Type | Speed Sensor (integrated with bike system) |
| Compatibility | Exclusively for Lankeleisi Electric Bikes |
4. Setup and Installation
Before installation, ensure your Lankeleisi Electric Bike is powered off and the battery is removed or disconnected for safety.
- Mounting the Display:
Attach the display unit to your bicycle's handlebars using the integrated mounting bracket. Ensure it is securely fastened and positioned for optimal visibility while riding. Use appropriate tools to tighten the screws on the bracket.
Figure 3: Underside view of the display unit, highlighting the robust handlebar mounting mechanism.
- Mounting the Control Unit:
Mount the remote control unit on the handlebar, typically near the left grip, within easy reach of your thumb. Secure it firmly.
Figure 4: Side view illustrating the display and its separate control unit, both designed for handlebar mounting.
- Connecting the Wires:
Locate the corresponding connector on your Lankeleisi Electric Bike's wiring harness. Carefully align the pins of the display's connector with the bike's connector and push them together until they click securely. This model uses a 5-pin connector, specifically for dual motor Lankeleisi bikes.
Figure 5: Detailed view of the 5-pin waterproof connector, crucial for proper electrical connection to the e-bike system.
Ensure the connection is tight and waterproof. Route the cables neatly along the bike frame, securing them with cable ties if necessary, to prevent snagging or damage.
5. Operating Instructions
Once installed, reconnect your bike's battery and power on the system. The display should illuminate.
5.1. Basic Functions
- Power On/Off: Press and hold the power button on the control unit to turn the display on or off.
- Assist Level Adjustment: Use the '+' and '-' buttons on the control unit to cycle through pedal assist levels (PAS). Higher numbers indicate more motor assistance.
- Headlight Control: Press the headlight button (often indicated by a light bulb icon) to turn the bike's headlights on or off.
- Information Display: The LCD screen shows various data including:
- Current Speed (KM/H or MPH)
- Battery Level Indicator
- Pedal Assist System (PAS) Level
- Odometer (ODO)
- Trip Distance (TRIP)
- Maximum Speed (MAX)
- Average Speed (AVG)
- Error Codes (if applicable)
5.2. Settings and Advanced Functions
Specific advanced settings (e.g., unit conversion, wheel size, battery voltage) may be accessible through a combination of button presses. Refer to your Lankeleisi Electric Bike's main user manual for detailed instructions on accessing and modifying these parameters, as they are often integrated with the bike's controller system.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your LCD display.
- Cleaning: Wipe the display screen and casing with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these can damage the screen or plastic components.
- Connections: Periodically check all wire connections to ensure they are secure and free from corrosion or damage. While the connectors are designed to be waterproof, extreme exposure to water should be avoided.
- Storage: If storing the bike for an extended period, ensure the display is clean and dry. Store in a cool, dry place away from direct sunlight.
- Impact Protection: Avoid dropping the display or subjecting it to strong impacts, which can damage the internal electronics or the screen.
7. Troubleshooting
If you encounter issues with your LCD display, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Display does not power on. | Bike battery is low or off; loose connection; faulty wiring. | Ensure bike battery is charged and turned on. Check all wire connections, especially the main display connector, for tightness. If problem persists, consult a qualified technician. |
| Display shows "ERROR" code. | Indicates a system fault (e.g., motor, controller, sensor). | Refer to your Lankeleisi Electric Bike's main user manual for a list of error codes and their corresponding troubleshooting steps. Often requires checking specific bike components. |
| Inaccurate speed reading. | Speed sensor issue; incorrect wheel size setting. | Check the speed sensor on your bike for proper alignment and cleanliness. Verify the wheel size setting in the display's advanced settings (if accessible, refer to bike manual). |
| Buttons on control unit unresponsive. | Loose connection to control unit; internal fault. | Check the connection of the control unit to the main display wiring. Ensure no debris is obstructing the buttons. |
For issues not listed here or if troubleshooting steps do not resolve the problem, please contact Lankeleisi customer support or a certified e-bike technician.
8. Warranty Information
This product is manufactured by Lankeleisi. For specific warranty terms and conditions, please refer to the warranty documentation provided with your Lankeleisi Electric Bike or visit the official Lankeleisi website. The warranty typically covers manufacturing defects under normal use. Damage due to improper installation, misuse, or unauthorized modifications is generally not covered.
9. Customer Support
For technical assistance, spare parts, or further inquiries regarding your Multifunctional LCD Display Bike Computer, please contact Lankeleisi customer support. You can typically find contact information on the Lankeleisi official website or in the documentation that came with your electric bike.
Note: This display is exclusively designed for Lankeleisi Electric Bikes. Compatibility with other brands is not guaranteed and may void your warranty.
